From 2c25d917b391156c4515a2cb9a4fbfd005acff3a Mon Sep 17 00:00:00 2001
From: Pierre-Olivier Mercier <nemunaire@nemunai.re>
Date: Sat, 9 Dec 2017 00:52:43 +0100
Subject: [PATCH] libfic: add functions to wipe {files,hints,keys}

---
 libfic/file.go | 10 ++++++++++
 libfic/hint.go | 10 ++++++++++
 libfic/key.go  | 10 ++++++++++
 3 files changed, 30 insertions(+)

diff --git a/libfic/file.go b/libfic/file.go
index c887509a..fdecadaa 100644
--- a/libfic/file.go
+++ b/libfic/file.go
@@ -185,6 +185,16 @@ func (f EFile) Delete() (int64, error) {
 	}
 }
 
+func (e Exercice) WipeFiles() (int64, error) {
+	if res, err := DBExec("DELETE FROM exercice_files WHERE id_exercice = ?", e.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
 func (f EFile) GetOrigin() string {
 	return f.origin
 }
diff --git a/libfic/hint.go b/libfic/hint.go
index d329c692..aa374295 100644
--- a/libfic/hint.go
+++ b/libfic/hint.go
@@ -85,6 +85,16 @@ func (h EHint) Delete() (int64, error) {
 	}
 }
 
+func (e Exercice) WipeHints() (int64, error) {
+	if res, err := DBExec("DELETE FROM exercice_hints WHERE id_exercice = ?", e.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
 func (h EHint) GetExercice() (Exercice, error) {
 	var eid int64
 	if err := DBQueryRow("SELECT id_exercice FROM exercice_hints WHERE id_hint = ?", h.Id).Scan(&eid); err != nil {
diff --git a/libfic/key.go b/libfic/key.go
index 2872ff1e..8fccfdbf 100644
--- a/libfic/key.go
+++ b/libfic/key.go
@@ -77,6 +77,16 @@ func (k Key) Delete() (int64, error) {
 	}
 }
 
+func (e Exercice) WipeKeys() (int64, error) {
+	if res, err := DBExec("DELETE FROM exercice_keys WHERE id_exercice = ?", e.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
 func (k Key) Check(val string) bool {
 	hash := getHashedKey(val)
 	if len(k.Checksum) != len(hash) {